
Astro Corner
Your corner of the universe.
Celestial object
M103
M 103, NGC 581
Make this Object part of your astronomy journeyMembers can add targets, record observations, link images and watch this Object for visibility alerts.
Survey preview
WISE 3.4
A locally cached survey cutout used as a reference preview until Astro Corner has a confirmed community image for this Object.
NASA/HEASARC SkyView · WISE 3.4View source queryReference data
RA · J200001h 33m 21.8s23.340875°
Dec · J2000+60° 39′ 28.8″60.658000°
Magnitude7.400
Angular size4.5′
Position angle—
Distance—
ConstellationCas
Reference transparencySources & data provenanceSee where catalogue identities and imported reference fields came from.9 records
Catalogue identities
Reference fields
Angular Size Major ArcminOpenNGC via GAVO TAP2026-08-14 18:46:21Source
ConstellationOpenNGC via GAVO TAP2026-08-14 18:46:21Source
Dec DegOpenNGC via GAVO TAP2026-08-14 18:46:21Source
MagnitudeOpenNGC via GAVO TAP2026-08-14 18:46:21Source
Object TypeOpenNGC via GAVO TAP2026-08-14 18:46:21Source
Ra DegOpenNGC via GAVO TAP2026-08-14 18:46:21Source
Community observations
No public community observations for this object yet.
Guides & knowledge
Published Guides that reference this canonical object.
No published Guides reference this object yet.
Images of this object
Confirmed manual or plate-solve links to this canonical object. Solver suggestions are excluded until confirmed by the image owner.
No visible confirmed images are linked to this object yet.